Guarulhos, State Of Sao Paulo, Brazil Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Guarulhos, State Of Sao Paulo, Brazil
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 91 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Guarulhos, State Of Sao Paulo, Brazil
5 AM4th Oct 2025
6 PM
4 AM5th Oct 2025
114AQI
88AQI
110AQI
81AQI
In the last 24 hours,
Guarulhos's AQI reached its highest point of 114 at 9 AM during the Day, while the lowest point, 81, was recorded at 8 PM during the Night between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Guarulhos, State Of Sao Paulo, Brazil
22°C16/30°C
16°C15/17°C
17°C15/21°C
21°C16/29°C
24°C17/31°C
21°C16/28°C
21°C14/31°C
18°C14/23°C
17°C14/23°C
19°C15/27°C
20°C14/29°C
20°C15/27°C
19°C16/24°C
19°C15/26°C
22°C16/32°C
26°C19/33°C
26°C20/33°C
22°C19/29°C
17°C15/21°C
16°C15/20°C
15°C14/17°C
15°C12/20°C
17°C11/25°C
21°C13/30°C
23°C18/30°C
24°C16/33°C
22°C17/31°C
21°C17/29°C
22°C18/29°C
22°C18/28°C
--°C/°C
67AQI
53AQI
60AQI
56AQI
2025 Days Vs Air Quality
Guarulhos, State Of Sao Paulo, Brazil
55%
151
44%
121
2%
5
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 55%
Health Risk Level:
Considerable
In 2025, 55% of 278 days were within WHO’s safe air quality limits, and 45% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Guarulhos, State Of Sao Paulo, Brazil
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
60AQI
54AQI
35AQI
35AQI
45AQI
39AQI
40AQI
40AQI
37AQI
34AQI
42AQI
33AQI
29AQI
33AQI
39AQI
44AQI
37AQI
42AQI
46AQI
44AQI
45AQI
53AQI
45AQI
59AQI
52AQI
44AQI
47AQI
50AQI
51AQI
41AQI
37AQI
32AQI
29AQI
27AQI
37AQI
41AQI
52AQI
61AQI
52AQI
44AQI
52AQI
57AQI
62AQI
51AQI
57AQI
61AQI
52AQI
54AQI
62AQI
48AQI
63AQI
60AQI
54AQI
49AQI
46AQI
50AQI
54AQI
60AQI
61AQI
56AQI
59AQI
55AQI
46AQI
50AQI
61AQI
45AQI
44AQI
56AQI
49AQI
48AQI
54AQI
62AQI
56AQI
41AQI
32AQI
33AQI
44AQI
46AQI
45AQI
46AQI
50AQI
53AQI
51AQI
62AQI
52AQI
46AQI
49AQI
54AQI
56AQI
49AQI
50AQI
56AQI
52AQI
53AQI
38AQI
29AQI
25AQI
37AQI
48AQI
44AQI
47AQI
39AQI
40AQI
32AQI
38AQI
49AQI
48AQI
44AQI
40AQI
26AQI
25AQI
27AQI
36AQI
49AQI
40AQI
34AQI
47AQI
55AQI
31AQI
46AQI
42AQI
40AQI
50AQI
52AQI
50AQI
55AQI
55AQI
60AQI
58AQI
44AQI
26AQI
30AQI
37AQI
38AQI
43AQI
48AQI
51AQI
47AQI
53AQI
71AQI
82AQI
68AQI
29AQI
31AQI
35AQI
48AQI
50AQI
41AQI
27AQI
54AQI
51AQI
96AQI
52AQI
56AQI
52AQI
49AQI
39AQI
47AQI
34AQI
35AQI
34AQI
33AQI
30AQI
30AQI
39AQI
49AQI
60AQI
72AQI
89AQI
85AQI
79AQI
69AQI
68AQI
64AQI
39AQI
61AQI
61AQI
57AQI
50AQI
62AQI
66AQI
35AQI
26AQI
27AQI
27AQI
30AQI
68AQI
54AQI
57AQI
54AQI
49AQI
51AQI
62AQI
59AQI
61AQI
94AQI
109AQI
110AQI
111AQI
76AQI
64AQI
58AQI
91AQI
92AQI
72AQI
67AQI
62AQI
73AQI
57AQI
36AQI
54AQI
46AQI
47AQI
71AQI
83AQI
114AQI
76AQI
41AQI
52AQI
76AQI
41AQI
32AQI
29AQI
38AQI
49AQI
112AQI
61AQI
43AQI
49AQI
66AQI
60AQI
58AQI
77AQI
85AQI
80AQI
82AQI
46AQI
46AQI
45AQI
36AQI
42AQI
40AQI
40AQI
39AQI
32AQI
35AQI
59AQI
81AQI
36AQI
29AQI
38AQI
56AQI
66AQI
65AQI
68AQI
42AQI
39AQI
48AQI
60AQI
55AQI
38AQI
39AQI
83AQI
85AQI
62AQI
47AQI
45AQI
27AQI
24AQI
37AQI
46AQI
77AQI
82AQI
86AQI
69AQI
83AQI
91AQI
43AQI
51AQI
50AQI
41AQI
47AQI
55AQI
62AQI
59AQI
51AQI
82AQI
No. of days
202552AQI
Highest AQI recorded in
October82AQI
Lowest AQI recorded in
April41AQI
202457AQI
Highest AQI recorded in
September97AQI
Lowest AQI recorded in
November37AQI
202352AQI
Highest AQI recorded in
June67AQI
Lowest AQI recorded in
January40AQI
202252AQI
Highest AQI recorded in
August80AQI
Lowest AQI recorded in
November39AQI
202153AQI
Highest AQI recorded in
July72AQI
Lowest AQI recorded in
April27AQI
202050AQI
Highest AQI recorded in
August62AQI
Lowest AQI recorded in
December38AQI
Most & Least Polluted Years Over the Last 6 Years
Guarulhos's annual 2025 AQI (52) shows an average percentage change of -1.9% (improved AQI) compared to previous years: 2020 (50), 2021 (53), 2022 (52), 2023 (52), 2024 (57).